MFC 布尔控件

最新推荐文章于 2025-04-06 21:11:34 发布

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最新推荐文章于 2025-04-06 21:11:34 发布

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分类专栏： VisualC++ CButton 文章标签： visual C 布尔控件布尔控件

本文链接：https://blog.youkuaiyun.com/u010261063/article/details/79609560

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头文件

#pragma once


// CJBoolControl

class CJBoolControl : public CButton
{
	DECLARE_DYNAMIC(CJBoolControl)

public:
	CJBoolControl();
	virtual ~CJBoolControl();
	void SetFasle();
	void SetTrue();
	bool Attach(const UINT nID,CWnd *nParant);
protected:
	DECLARE_MESSAGE_MAP()
	//virtual void DrawItem(LPDRAWITEMSTRUCT );
public:
	virtual void DrawItem(LPDRAWITEMSTRUCT /*lpDrawItemStruct*/);
private:
	COLORREF m_RedColor;
	COLORREF m_GreenColor;
	BOOL bstate;
	CBrush brush;
public:
	afx_msg void OnBnClicked();
};

源文件

// JBoolControl.cpp : 实现文件
//


#include "stdafx.h"
#include "BoolControl.h"
#include "JBoolControl.h"




// CJBoolControl


IMPLEMENT_DYNAMIC(CJBoolControl, CButton)


CJBoolControl::CJBoolControl()
{
	m_RedColor = RGB(255,0,0);
	m_GreenColor = RGB(0,255,0);
	bstate = FALSE;
	brush.CreateSolidBrush(m_GreenColor);
}


CJBoolControl::~CJBoolControl()
{
}




BEGIN_MESSAGE_MAP(CJBoolControl, CButton)
	ON_CONTROL_REFLECT(BN_CLICKED, &CJBoolControl::OnBnClicked)
END_MESSAGE_MAP()




bool CJBoolControl::Attach(const UINT nID,CWnd *pParant)
{
	if (SubclassDlgItem(nID,pParant))
	{
		return false;
	}
	else
		return true;
}




void CJBoolControl::DrawItem(LPDRAWITEMSTRUCT  lpDrawItemStruct)
{


	// TODO:  添加您的代码以绘制指定项
	CDC dc;
	dc.Attach(lpDrawItemStruct->hDC);//得到绘制的设备环境CDC
	VERIFY(lpDrawItemStruct->CtlType==ODT_BUTTON);
	const int bufSize = 512;
	TCHAR buffer[215];
	GetWindowText(buffer, bufSize);
	USES_CONVERSION;
	int size=strlen(W2A(buffer));//得到长度
	SetBkMode(lpDrawItemStruct->hDC,TRANSPARENT);//透明
	dc.FillRect(&(lpDrawItemStruct->rcItem),&brush);//
	DrawText(lpDrawItemStruct->hDC,buffer,size,&lpDrawItemStruct->rcItem,DT_CENTER|DT_VCENTER|DT_SINGLELINE|DT_TABSTOP);
}




void CJBoolControl::OnBnClicked()
{
	// TODO: 在此添加控件通知处理程序代码
	bstate = !bstate;
	if (bstate)
	{
		brush.DeleteObject();
		brush.CreateSolidBrush(m_RedColor);
	}
	else	
	{
		brush.DeleteObject();
		brush.CreateSolidBrush(m_GreenColor);
	}
	this->Invalidate();
}
void CJBoolControl::SetFasle()
{
	if (!bstate)
	{
		brush.DeleteObject();
		brush.CreateSolidBrush(m_RedColor);
		this->Invalidate();
		bstate = !bstate;
	}


}
void CJBoolControl::SetTrue()
{
	if (bstate)
	{
		brush.DeleteObject();
		brush.CreateSolidBrush(m_GreenColor);
		this->Invalidate();
		bstate = !bstate;
	}
}

使用方法：

在 BOOL CBoolControlDlg::OnInitDialog()初始化

	GetDlgItem(IDC_BUTTON1)->ModifyStyle(0,BS_OWNERDRAW,0);
	m_button.Attach(IDC_BUTTON1,this);

实例代码：

https://download.youkuaiyun.com/download/u010261063/10294882

参考资料：

https://baike.so.com/doc/1494929-1580811.html